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Finding the Fourth Proportional to 412,866.58, 619,300.82 and 113,351.26

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Solution

The fourth proportional to 412,866.58, 619,300.82 and 113,351.26 is: 170,027.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,866.58 : 619,300.82 = 113,351.26 : x
  2. Step 2: Convert to fraction form
    412,866.58/619,300.82 = 113,351.26/x
  3. Step 3: Cross multiply
    412,866.58x = 619,300.82 × 113,351.26
  4. Step 4: Simplify right side
    412,866.58x = 70,198,528,266.03
  5. Step 5: Solve for x
    x = 70,198,528,266.03/412,866.58
  6. Step 6: Final answer
    x = 170,027.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.